/**
* Unserialize additional information if required
* @param Mage_Sales_Model_Order_Payment_Transaction $transaction
*/
public function unserializeFields(Mage_Sales_Model_Order_Payment_Transaction $transaction)
{
$additionalInformation = $transaction->getData('additional_information');
if (empty($additionalInformation)) {
$transaction->setData('additional_information', array());
} elseif (!is_array($additionalInformation)) {
$transaction->setData('additional_information', unserialize($additionalInformation));
}
}
